Thanks for posting your query.
First of all, you need dressing for your external wound.
Please consult Emergency Depertment in your locality.
You may need an CT scan
of brain to rule of internal brain injruy, if you continue to feel dizzy or loose consciousness or vomitting.
They will keep you on observation for 24 hours.
Do not worry. Most of the time it will be superficial injury
. Get yourself evaluated.
Wish you speedy recovery.
Get back to me in case of follow up queries.